1. College of Public Health Sciences, Chulalongkorn University, Bangkok, Thailand
2. Department of Irrigation Engineering, Faculty of Engineering at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand
3. Faculty of Nursing, HRH Chulabhorn College of Medical Sciences, Chulabhorn Royal Academy, Bangkok, Thailand
4. Trudy Busch-Valentine School of Nursing, Saint Louis University, St. Louis, MO, USA
5. School of Public Health, Taipei Medical University, Taipei, Taiwan